Which task does AWS perform automatically?
Answer(s): A
AWS automatically encrypts data at rest in Amazon DynamoDB using AWS owned keys by default. Customers can also configure encryption using AWS KMS keys.Patching EC2 instances is the customer's responsibility unless using managed services like AWS SystemsManager.AWS does not automatically encrypt all user network traffic; customers must configure HTTPS/TLS.Creating TLS certificates is not automatic; customers must use services like AWS Certificate Manager to request and manage them.
A company is considering migrating workloads to the cloud to reduce expenses.Which advantage of cloud computing can the company benefit from?
Answer(s): D
Cloud computing allows companies to replace upfront capital expenses (fixed costs) with pay-as-you-go pricing(variable costs), so they only pay for the resources they actually use.
Which AWS service provides a highly accurate enterprise search capability that is powered by machine learning?
Answer(s): C
Amazon Kendra is an intelligent enterprise search service powered by machine learning. It enables organizations to search across documents, knowledge bases, and other enterprise data sources and return highly relevant results using natural language queries.
Which AWS service provides domain registration, DNS routing, and service health checks?
Answer(s): B
Amazon Route 53 provides domain name registration, Domain Name System (DNS) routing, and health checking capabilities to route traffic to healthy application endpoints.
Which AWS service uses machine learning to detect threats by continuously checking billions of events from different AWS data sources?
Amazon GuardDuty is a threat detection service that continuously analyzes AWS data sources and uses machine learning, anomaly detection, and threat intelligence to identify suspicious activity and potential security threats across AWS accounts and workloads.
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